CN110191604A - Housing unit and preparation method thereof, electronic equipment - Google Patents

Housing unit and preparation method thereof, electronic equipment Download PDF

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Publication number
CN110191604A
CN110191604A CN201910568849.1A CN201910568849A CN110191604A CN 110191604 A CN110191604 A CN 110191604A CN 201910568849 A CN201910568849 A CN 201910568849A CN 110191604 A CN110191604 A CN 110191604A
Authority
CN
China
Prior art keywords
housing unit
layer
soft substrate
mirror surface
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910568849.1A
Other languages
Chinese (zh)
Other versions
CN110191604B (en
Inventor
武鑫
毕四鹏
侯体波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN201910568849.1A priority Critical patent/CN110191604B/en
Publication of CN110191604A publication Critical patent/CN110191604A/en
Priority to EP20832821.1A priority patent/EP3955714B1/en
Priority to PCT/CN2020/096476 priority patent/WO2020259359A1/en
Application granted granted Critical
Publication of CN110191604B publication Critical patent/CN110191604B/en
Priority to US17/531,376 priority patent/US20220078935A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
    • C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/16—Layered products comprising a layer of synthetic resin specially treated, e.g. irradiated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/14—Printing or colouring
    • B32B38/145—Printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/023—Optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/02—Superimposing layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0407—Ornamental plaques, e.g. decorative panels, decorative veneers containing glass elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0262—Details of the structure or mounting of specific components for a battery compartment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0279—Improving the user comfort or ergonomics
    • H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0243—Mechanical details of casings for decorative purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4023—Coloured on the layer surface, e.g. ink
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/406—Bright, glossy, shiny surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/414—Translucent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/546—Flexural strength; Flexion stiffness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Telephone Set Structure (AREA)
  • Casings For Electric Apparatus (AREA)
  • Laminated Bodies (AREA)

Abstract

This application discloses housing units and preparation method thereof, electronic equipment.Specifically, the housing unit includes housing base present applicant proposes a kind of housing unit, the housing base has a bottom surface, and the side wall being connected with the bottom surface, and the bending angle between the side wall and the bottom surface is greater than 70 degree；And the side of the housing base is arranged in appearance diaphragm, the appearance diaphragm, the appearance diaphragm includes: soft substrate；And the side of the soft substrate is arranged in mirror surface silver layer, the mirror surface silver layer, wherein the elasticity modulus of the soft substrate is 800~2000MPa.The housing unit has biggish radian as a result, and is bonded closely between appearance diaphragm and housing base, and the appearance of housing unit is good, and without carrying out metal coating, metallic luster effect can be realized, product expressive force is strong.

Description

Housing unit and preparation method thereof, electronic equipment
Technical field
This application involves field of electronic devices, and in particular, to housing unit and preparation method thereof, electronic equipment.
Background technique
With the continuous development of field of electronic device technology of preparing, case material for electronic equipment also enriches therewith. Glass material has the characteristics that good translucency, corrosion resistance, heat resistance and easy to process, diaphragm decoration have is easy to plus Work, it is cheap, appearance is diversified the features such as, therefore outside the electronic equipment made by the way of transparent base and decorative membrance Shell has been widely used.Such as the cell rear cover of many mobile phones, all using the side of glass shell and fitting diaphragm Formula realizes appearance.
However, current housing unit and preparation method thereof, electronic equipment still have much room for improvement.
Summary of the invention
The application is to be made based on inventor to the discovery of following facts and problem and understanding:
Inventors have found that existing when making the shell of electronic equipment currently with the biggish transparent substrate of bending angle Bright substrate and appearance diaphragm are difficult to the problems such as being bonded.Currently, due to polyethylene terephthalate film piece (PET film piece) quality It is harder, compare scratch resistance, therefore, when making electronic equipment casing in the way of transparent substrate+appearance diaphragm, generallys use Substrate of the PET film piece as appearance diaphragm, and texture layer, electroplated metal layer and printing ink layer etc. are transferred in PET film on piece, Make the appearance diaphragm that there is appearance abundant, is then bonded the appearance diaphragm with transparent substrate.But above-mentioned side In the electronic equipment casing of method production, the bending angle of transparent substrate is usually smaller, such as common 3D glass cover-plate, bending Degree than relatively limited, appearance diaphragm during fitting, PET film piece and positioned at PET film on piece laminated material (such as front institute Texture layer, metal layer, ink layer for stating etc.) it not will receive obvious stretching, so mentioned-above using PET film piece as substrate Appearance diaphragm can preferably with transparent substrate be bonded, realize preferable appearance.But PET film piece is fitted into bending angle When spending on biggish transparent substrate, since the elasticity modulus of PET film piece is in 4000Mpa or more, material is harder, and flexibility is poor, It is above in 30 ° of glass back cover it is therefore more difficult to be fitted in four side crooked radians, bubble and folded is easy to appear during fitting Layer material rupture etc., influences the appearance power of shell, to limit curved glass material of wide-angle etc. in electronic equipment Application in shell.If it is possible to propose a kind of new housing unit, appearance diaphragm and the curved housing base of wide-angle It can be closely adhered to, and the housing unit has good appearance, will largely solve the above problems.
The application is intended to solve at least some of the technical problems in related technologies.
In the one aspect of the application, present applicant proposes a kind of housing units.According to an embodiment of the present application, the shell Component includes: housing base, and the housing base has a bottom surface, and the side wall being connected with the bottom surface, the side wall Bending angle between the bottom surface is greater than 70 degree；And the housing base is arranged in appearance diaphragm, the appearance diaphragm Side, the appearance diaphragm include: soft substrate；And the soft substrate is arranged in mirror surface silver layer, the mirror surface silver layer Side, wherein the elasticity modulus of the soft substrate is 800~2000MPa.The housing unit has biggish radian as a result, And be bonded closely between appearance diaphragm and housing base, the appearance of the housing unit is good, and without carrying out metal coating, Metallic luster effect can be realized, product expressive force is strong.
In further aspect of the application, present applicant proposes a kind of methods for preparing housing unit.According to the application's Embodiment, this method comprises: providing housing base, the housing base has a bottom surface, and be connected with the bottom surface Side wall, the bending angle between the side wall and the bottom surface are greater than 70 degree；And appearance diaphragm is formed, and by the appearance diaphragm It is fitted in the side of the housing base, wherein the formation appearance diaphragm further comprises: providing soft substrate；Described The side of soft substrate forms mirror surface silver layer, wherein the elasticity modulus of the soft substrate is 800~2000MPa.As a result, should The housing unit of method preparation has biggish radian, and close, the housing unit is bonded between appearance diaphragm and housing base Appearance it is good, and without carrying out metal coating, metallic luster effect can be realized, product expressive force is strong.
In the another aspect of the application, present applicant proposes a kind of electronic equipment.According to an embodiment of the present application, the electricity Sub- equipment includes: housing unit prepared by mentioned-above housing unit or mentioned-above method, the housing unit Accommodation space is limited, the appearance diaphragm of the housing unit is arranged towards the inside of the electronic equipment, the housing unit In be provided with mainboard and memory, the mainboard and memory are located inside the accommodation space；And screen, the screen Curtain is arranged in the top of the housing unit and is connected with the mainboard.The electronic equipment has mentioned-above shell as a result, Whole feature and advantage possessed by housing unit prepared by component or mentioned-above method, details are not described herein.Always For, the electronic equipment appearance is good, and product expressive force is strong.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram of the housing unit according to the application one embodiment；
Fig. 2 shows the structural schematic diagram of the housing base according to the application one embodiment；
Fig. 3 shows the cut-away section structural schematic diagram according to the housing unit of the application one embodiment；
Fig. 4 shows the cut-away section structural schematic diagram of the housing unit according to the application another embodiment；
Fig. 5 shows the cut-away section structural schematic diagram of the housing unit according to the application another embodiment；
Fig. 6 shows the cut-away section structural schematic diagram of the housing unit according to the application another embodiment；
Fig. 7 shows the method flow diagram for preparing housing unit according to the application one embodiment；
Fig. 8 shows the method flow diagram of the preparation appearance diaphragm according to the application one embodiment；
Fig. 9 shows the method flow diagram of the preparation appearance diaphragm according to the application another embodiment；
Figure 10 shows the method flow diagram of the preparation appearance diaphragm according to the application another embodiment；And
Figure 11 shows the structural schematic diagram of the electronic equipment according to the application one embodiment.
Description of symbols:
100: housing base；110: bottom surface；120: side wall；200: appearance diaphragm；210: soft substrate；220: color layers； 240: texture layer；230: mirror surface silver layer；250: base layer；1000: housing unit；1100: electronic equipment.
Specific embodiment
Embodiments herein is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to The embodiment of attached drawing description is exemplary, it is intended to for explaining the application, and should not be understood as the limitation to the application.
In the one aspect of the application, present applicant proposes a kind of housing units.According to an embodiment of the present application, with reference to figure 1, which includes: housing base 100 and appearance diaphragm 200, and appearance diaphragm 200 is arranged in housing base 100 Side.With reference to Fig. 1 and Fig. 2, housing base 100 has a bottom surface 110, and the side wall 120 being connected with bottom surface 110 (side wall 120 can be 2 be oppositely arranged, or 4 side walls 120 being connected with each other shown in Fig. 2), side wall Bending angle between 120 and bottom surface 110 is greater than 70 degree of (bending angle a) with reference to shown in Fig. 1.With reference to (the region M in Fig. 1 Fig. 3 Schematic cross-section), appearance diaphragm 200 includes: soft substrate 210 and mirror surface silver layer 230, and mirror surface silver layer 230 is arranged soft The side of matter substrate 210, wherein the elasticity modulus of soft substrate 210 is 800~2000MPa.The soft substrate 210 as a result, Elasticity modulus is smaller, and the flexibility of the soft substrate is preferable, which has biggish radian, and appearance diaphragm It is bonded between 200 and housing base 100 close；The appearance of the housing unit 1000 is good, without carrying out metal coating, leads to Crossing the mirror surface silver layer 230 can be realized metallic luster effect, and can improve the brightness of housing unit 1000, product expressive force By force.
It should be strongly noted that the term " bending angle " in the application, refers in particular to angle between side wall 120 and bottom surface 110 (angle a) as shown in Figure 1, specifically, bottom surface 110 can be curved surface and be also possible to plane, and specifically, bending angle is side wall And the angle where bottom surface between plane.When the outer surface (surface far from 200 side of appearance diaphragm) of side wall 120 is plane When, which is the angle where 120 outer surface of side wall between plane and bottom surface 110.When the outer surface of side wall 120 is curved surface When, the bending angle of the side wall 120 and bottom surface 110 is the tangent line at any point on the curved surface of the side wall, with 110 place plane of bottom surface Between angle maximum value.When bottom surface 110 is curved surface, angle between side wall and bottom surface can cutting flat with for side wall and bottom surface Angle between face.As previously mentioned, housing base 100 can have 4 side walls 120,4 foldings between side wall 120 and bottom surface 110 Bent angle can be all equal, can not also be all equal.For example, in 4 side walls, between the two side walls being oppositely arranged and bottom surface Bending angle can be equal, the bending angle between adjacent two side walls and bottom surface can be unequal.
In order to facilitate understanding, the principle of above-mentioned beneficial effect can be obtained to the housing unit according to the embodiment of the present application below It is briefly described:
As previously mentioned, using transparent glass substrate, and the electricity that the mode of the appearance diaphragm with color, pattern that is sticked makes Sub- device housings, since the bending angle of glass substrate is smaller, existing PET film piece can be fitted closely with the glass substrate, Realize preferable appearance.But when housing base (such as glass) bending angle is larger, since PET film piece is rigidly larger, prolong Malleability is poor, it is difficult to and the housing base fitting of wide-angle bending (such as bending angle is greater than 30 degree).And according to the reality of the application The housing unit for applying example, using the soft substrate of elasticity modulus smaller (elasticity modulus is 800~2000MPa) as appearance diaphragm Substrate, the flexibility of the soft substrate is preferable, can fit closely with the curved housing base of wide-angle, be not in bubble The problems such as.Also, inventor also passes through further investigation discovery, since the soft substrate is softer, passes through currently used metal-plated The method of film is when forming film plating layer (the metallic luster effect for realizing housing unit) on the soft substrate, the material of film plating layer (usually metal oxide) is hard and crisp, and the binding force of film plating layer and the soft substrate is poor, and the appearance diaphragm is bonded When on the biggish substrate of bending angle, which is easily broken, and influences the appearance of housing unit.And according to the application In the housing unit of embodiment, mirror surface silver layer is set far from the side of housing base in soft substrate, which makes work Skill is simple, such as can be formed by the methods of silk-screen, without being can be realized using the mirror surface silver layer by metal coating The brightness and product expressive force of housing unit can be improved in the metallic luster effect of housing unit；And mirror surface silver layer and soft The binding force of matter substrate is stronger, and after the appearance diaphragm and the biggish housing base fitting of bending angle, which is not easy Rupture, product yield is higher, and appearance is good.
According to an embodiment of the present application, the concrete type of housing base 100 is not particularly limited, such as can be glass Deng.Specifically, bottom surface 110 can be curved surface and be also possible to plane.Specifically, housing base 100 has with reference to Fig. 1 and Fig. 2 One bottom surface 110, and the side wall 120 being connected with bottom surface 110, specifically, housing unit 100 can have around bottom surface 110 And 4 side walls 120 being connected with each other, the bending angle between side wall 120 and bottom surface 110 are greater than 70 degree (with reference to shown in Fig. 1 Bending angle a) can be 90 degree, can be 100 degree for example, the bending angle a between side wall 120 and bottom surface 110 can be 80 degree, Can be 120 degree, can be 130 degree etc., that is, the side wall 120 of the housing base 100 can with bottom surface 110 vertically (i.e. bending angle A is 90 degree), it can also be to the inside bending (i.e. bending angle a is greater than 90 degree) of housing base 100.Also, the housing base 100 Four side walls 120 can have biggish bending angle, therefore, which can have appearance abundant, can be with Promote product expressive force.
According to an embodiment of the present application, the concrete type of soft substrate 210 is not particularly limited, as long as its flexibility is preferable ?.It specifically, the elasticity modulus of soft substrate 210 can be 800~2000MPa, such as can be 1000MPa, Ke Yiwei 1200MPa can be 1500MPa, can be 1800MPa etc..The PET film of 4000Mpa is up to compared to elasticity modulus as a result, The flexibility of the soft substrate is more preferable, and ductility is preferable, and has preferable curve surface adaptive, convenient for being fitted in the bending of four sides On the biggish glass of radian, fitting is close, and the appearance of the housing unit of formation is good.Specifically, forming soft substrate 210 Material may include at least one of thermoplastic polyurethane (TPU), polyvinyl chloride (PVC), thermoplastic elastomer (TPE), thermoplastic elastomehc Property body can be using the ethylene-butene copolymer that polystyrene adds hydrogen to obtain as end segment, with polybutadiene to be middle spring embedding The linear tri-block copolymer (SEBS) of section, can be different for the ethylene-that adds hydrogen to obtain using polystyrene as end segment, polyisoprene Pentadiene copolymer is the linear tri-block copolymer (SEPS) etc. of intermediate elastic block.Specifically, it can be the poly- ammonia of thermoplasticity Ester etc..Specifically, the thickness of soft substrate 210 can be 80~100 μm, such as can be 85 μm, can be 90 μm, Ke Yiwei 95 μm etc..The thickness of soft substrate 210 can preferably be fitted in the curved housing base 100 of wide-angle in above range On.
According to an embodiment of the present application, with reference to Fig. 4, which may further include color layers 220, color Layer is arranged between soft substrate and mirror surface silver layer, it may be assumed that color layers 220 can be set in the side of soft substrate 210, mirror-like silver Side of the color layers 220 far from soft substrate 210 is arranged in layer 230.Soft substrate 210 can be enhanced in the color layers 220 as a result, Binding force between mirror surface silver layer 230 should after being bonded the appearance diaphragm 200 and the biggish housing base 100 of bending angle Mirror surface silver layer 230 is not easily broken, and product yield is higher, and appearance is good.Specifically, color layers 220 can be soft What the side silk-screen color ink of substrate 210 was formed.Specifically, the color of color layers 220 is not particularly limited, art technology The color effect that personnel can according to need realization selects, such as can be blue, purple, black, white, red, powder Color etc..It specifically, the light transmission rate of color layers 220 can be 30%~70%, such as can be 35%, can be 50%, it can Think 65% etc..As a result, with the color layers 220 of the transmitance range, the appearance of formation superposition can be waited with mirror surface silver layer 230 Effect can make housing unit 1000 while have color and metallic luster effect, and the brightness of housing unit 1000 is high, produces Product expressive force is strong.It should be noted that in housing unit 1000, the setting of color layers 220 is remote in soft substrate 210 with reference to Fig. 4 Side of the color layers 220 far from soft substrate 210, the shell group is arranged in side from housing base 100, mirror surface silver layer 230 When part 1000 is in electronic equipment (such as phone housing), housing base 100 is towards the side of user, mirror surface silver layer 230 It is positioned close to the side of electronic equipment internal, therefore, in order to allow users to observe color from 100 side of housing base The Overlay of layer 220 and mirror surface silver layer 230, the transmitance of color layers 220 can be 30%~70%, i.e., color layers 220 can Be it is translucent, as a result, the color layers 220 not only have color effects, the metallic luster of mirror surface silver layer 230 can also be appeared Effect further improves the appearance of the housing unit 1000.
Specifically, the thickness of color layers 220 can be 4~12 μm, such as can be 5 μm, can be 7 μm, can be 9 μ M can be 11 μm etc..Color layers 220 with the thickness range, light transmission rate is more moderate, can make housing unit 1000 have color and metallic luster effect, appearance preferable simultaneously.It (is, for example, less than 4 when the thickness of color layers 220 is too small μm) when, color effects are unobvious；When the thickness of color layers 220 excessive (being greater than 12 μm), it will lead to color layers 220 Light transmission rate reduces, to influence the whole appearance of housing unit 1000.
According to an embodiment of the present application, with reference to Fig. 4, mirror surface silver layer 230 is arranged in color layers 220 far from soft substrate 210 Side, mirror surface silver layer 230, which can be, to be formed by the method for silk-screen mirror-like silver ink.Specifically, the thickness of mirror surface silver layer 230 Degree can be 2~8 μm, such as can be 3 μm, can be 5 μm, can be 7 μm etc..The thickness of mirror surface silver layer 230 is upper as a result, When stating range, it can make housing unit 1000 that there is preferable metallic luster effect, and the bright of housing unit 1000 can be made Degree is higher, further improves the appearance of housing unit 1000.If the too small thickness of mirror surface silver layer 230 (is, for example, less than 2 μm), then the metal effect of mirror surface silver layer 230 is unobvious；If the thickness of mirror surface silver layer 230 is excessive (being greater than 8 μm), give birth to Higher cost is produced, and not significant to the promotion of metallic luster effect.
Specifically, the lightness l value of housing unit 1000 can be 60~80.The lightness l value of the housing unit 1000 as a result, Larger, brightness is preferable, and appearance is preferable, and product expressive force is strong.It should be noted that lightness l value range is in 0~100, L Value is bigger, and brighter display (white), L value is smaller, and brightness is darker (black).
According to an embodiment of the present application, with reference to Fig. 5, appearance diaphragm 200 may further include texture layer 240, texture layer 240 can be set between color layers 220 and mirror surface silver layer 230.The texture layer 240 can be folded with mirror surface silver layer 230 as a result, Add, realizes metal glare effect abundant, further enrich the appearance of the housing unit 1000.Specifically, texture layer 240 thickness can be 6~12 μm, such as can be 7 μm, can be 9 μm, can be 11 μm etc..With the thickness range Texture layer 240 can be preferably superimposed with mirror surface silver layer 230, form the preferable housing unit of metal glare effect.
According to an embodiment of the present application, with reference to Fig. 6, appearance diaphragm 200 may further include base layer 250, base layer 250 are arranged in side of the mirror surface silver layer 230 far from color layers 220, and the light transmission rate of base layer 250 is not more than 1%.As a result, should Appearance diaphragm 200 and housing base 100 are bonded, and be used for electronic equipment etc. shell when, appearance diaphragm 200 is directed towards electricity Inside sub- equipment, further, the base layer 250 of appearance diaphragm 200 is arranged close to electronic equipment internal, base layer 240 The element etc. that electronic equipment internal can be blocked, further increases the service performance of the housing unit 1000.Specifically, Ke Yi Side printing base ink, such as black ink, white ink etc. of the mirror surface silver layer 230 far from texture layer 240, form base layer 250.Specifically, the thickness of base layer 250 can be 20~30 μm, such as can be 21 μm, can be 23 μm, can be 25 μ M can be 27 μm, can be 29 μm etc..As a result, when base layer 250 thickness in above range, can preferably block electricity Element inside sub- equipment further increases the service performance of the housing unit 1000, improves appearance.If base layer Thickness is too small (being, for example, less than 20 μm), and shaded effect is poor；If the thickness of base layer is excessively high (such as higher than 30 μm), base layer Brittleness is high, and adhesive force is poor.
In summary, according to the housing unit of the embodiment of the present application, the elasticity modulus of the soft substrate 210 is smaller, this is soft The flexibility of matter substrate is preferable, which has a biggish radian, and appearance diaphragm 200 and housing base 100 it Between be bonded it is close；The appearance of the housing unit 1000 is good, and metal glare effect can be realized by the mirror surface silver layer 230 Fruit, without carrying out metal coating, product expressive force is strong.
In the another aspect of the application, present applicant proposes a kind of methods for preparing housing unit.According to the reality of the application Apply example, the housing unit of this method preparation can be mentioned-above, and housing unit prepared by this method has front as a result, Whole feature and beneficial effect possessed by the housing unit, details are not described herein.Generally speaking, made from this method Housing unit can have biggish radian, and close, the appearance of the housing unit is bonded between appearance diaphragm and housing base It works well, and without carrying out metal coating, metal glare effect can be realized, product expressive force is strong.
According to an embodiment of the present application, with reference to Fig. 7, this method comprises:
S100: housing base is provided
In this step, housing base is provided.According to an embodiment of the present application, housing base can be mentioned-above, Such as housing base can be glass material, housing base has a bottom surface, and the side wall being connected with bottom surface, side wall and Bending angle between bottom surface is greater than 70 degree etc..
S200: appearance diaphragm is formed, appearance diaphragm is fitted in the side of housing base
In this step, appearance diaphragm is formed, and appearance diaphragm is fitted in the side of housing base.According to the application's Embodiment, with reference to Fig. 8, this method further comprises:
S210: soft substrate is provided
In this step, soft substrate is provided.According to an embodiment of the present application, soft substrate can be mentioned-above, Such as forming the material of soft substrate may include at least one of thermoplastic polyurethane, polyvinyl chloride, thermoplastic elastomer (TPE)；It is soft The elasticity modulus of matter substrate can be 800~2000MPa, and the elasticity modulus of soft substrate is flexible in above range as a result, Property it is preferable, suitable for being fitted on the biggish housing base of bending angle, fitting is close, is not likely to produce bubble, improves prepared Housing unit appearance；Specifically, the thickness of soft substrate can be 80~100 μm etc., the thickness of soft substrate exists When above range, can preferably it be fitted on the curved housing base of wide-angle.
S220: color layers are formed in the side of soft substrate
In this step, the side of soft substrate described in step forms color layers in front.According to the reality of the application Example is applied, it can be in the side silk-screen color ink composition of soft substrate, to form color layers.Thus, it is possible in soft lining Color effect abundant is formed on bottom.Specifically, specifically, color ink composition can be deployed according to color demand, color Printing ink composition may include color ink, the first curing agent and the first diluent, according to an embodiment of the present application, color oil The color of ink is not particularly limited, specifically, color ink can be black, white, pink colour is golden, silver color, light blue, purple Color, red etc..Specifically, the content of the first curing agent can be 5%~30%, the first diluent in color ink composition Content can be 5%~20%.As a result, convenient for color, the light transmission rate etc. of color layers are adjusted, the color needed Color effect.
Specifically, color ink composition can be upside down on the screen printing net plate of automatic screen printer, by frictioning by face Color ink composition is printed on soft substrate (such as thermoplastic polyurethane (TPU) film), and the web plate mesh number of printing can be 280 ~420 mesh (hole count on web plate mesh number i.e. one inch web plate, web plate mesh number is bigger, and fineness is higher).
Specifically, the light transmission rate of the color layers of formation can be 30%~70%.As a result, with the transmitance range Color layers can make housing unit simultaneously with the appearance of the formation superposition such as the mirror surface silver layer that is formed in later step With color and metallic luster effect, and the brightness of the housing unit prepared is high, and product expressive force is strong.Specifically, color layers Thickness can be 4~12 μm.The appearance of the housing unit is further improved as a result,.
According to an embodiment of the present application, with reference to Fig. 9, after forming color layers, this method be may further include:
S240: texture layer is formed far from the side of soft substrate in color layers
In this step, texture layer is formed far from the side of soft substrate in color layers.According to an embodiment of the present application, may be used To transfer to form texture layer by UV.It, can be in soft substrate (such as thermoplastic poly as previously mentioned, in order to obtain glare effect Urethane (TPU)) surface processes various textures, and which can be overlapped mutually with the mirror surface silver layer formed in later step, Realize metal glare effect abundant.Specifically, it can then be covered soft by UV glue point glue on optical effects mold (mother matrix) Matter substrate (such as thermoplastic polyurethane (TPU) substrate), thermoplastic polyurethane (TPU) substrate is attached on mother matrix, silica gel pressure roller It is pressurizeed with the pressure of 0.1~3Mpa, solidifies together after squeezing fitting, slough mold after UV adhesive curing, texture mold is (female Version) it is separated with thermoplastic polyurethane (TPU) substrate, UV glue stays on thermoplastic polyurethane (TPU) substrate, thus needed Texture.Specifically, the UV solidification energy of UV transfer can be 1000~1500mj/cm2, such as can be 1200mj/cm2, can be with For 1300mj/cm2, can be 1400mj/cm2Deng.Specifically, the thickness of texture layer can be 6~12 μm.There is the thickness as a result, The texture layer for spending range, can preferably be superimposed with mirror-like silver layer, form the preferable housing unit of glare effect.
S230: mirror surface silver layer is formed far from the side of soft substrate in color layers
In this step, side of the color layers formed in step in front far from soft substrate, or step in front Side of the texture layer of middle formation far from color layers forms mirror surface silver layer.According to an embodiment of the present application, mirror surface silver layer is formed Method and the mirror surface silver layer of formation can with it is previously described identical, details are not described herein.For example, silk-screen mirror surface can be passed through The method of silver ink forms mirror surface silver layer, and this method is easy to operate, convenient for control, further enriches prepared housing unit Appearance.Specifically, mirror-like silver ink composition can be printed on by one of texture layer far from color layers by stencil Side.Specifically, the constituent of mirror-like silver ink composition is not particularly limited, mirror-like silver ink composition may include mirror surface Silver ink, the second curing agent and the second diluent, wherein the content of the second curing agent can be 1%~10%, the second dilution The content of agent can be 2%~5%.The mirror surface silver layer formed as a result, has preferable metallic luster effect, the shell group of preparation The brightness of part is higher, and appearance is good, and product expressive force is strong.For example, the lightness l value of housing unit can be 60~80.Tool Body, mirror-like silver ink composition can be upside down on the screen printing net plate of automatic screen printer, by frictioning by mirror-like silver ink It is printed on texture layer, commercially available ink can be used in mirror-like silver ink, and web plate mesh number (get over by the hole count of one inch of web plate, mesh number Big fineness is better) it can be in 280~420 mesh.Specifically, the thickness of the mirror surface silver layer of formation can be 2~8 μm, and having should The mirror surface silver layer of thickness range can make the housing unit of preparation have preferable metal glare effect, and brightness is higher.
According to an embodiment of the present application, with reference to Figure 10, after forming mirror surface silver layer, this method may further include with Lower step:
S250: base ink is printed far from the side of texture layer in mirror surface silver layer, forms base layer
In this step, base ink is printed far from the side of texture layer in mirror surface silver layer, forms base layer.According to this Shen Embodiment please, base layer can be it is mentioned-above, such as base layer light transmission rate be not more than 1%；The thickness of base layer It can be 20~30 μm.Specifically, can repeatedly print base ink (primary print in side of the mirror surface silver layer far from texture layer Scopiform at lid underlayer thickness it is too thick, brittleness is higher, and adhesive force is poor, and service performance is bad), for example, black ink, white oil Ink etc. forms base layer.As a result, by repeatedly printing base ink and cured method formation base layer, Ke Yijin toward overcoating One step prevents base layer light leakage, further improves the service performance of the housing unit of preparation.Specifically, being formed after printing every time Base layer thickness can be 5~8 μm, the overall thickness repeatedly printed can be 20~30 μm.Lid with the thickness range Bottom has preferable shaded effect and adhesive force, and the mirror surface silver layer that can protect silk-screen is not corroded.Specifically, it prints Web plate mesh number when the ink of base can be 350~420 mesh.In summary, housing unit made from this method has biggish Radian, and be bonded closely between appearance diaphragm and housing base, the appearance of the housing unit is good, and without carrying out metal Plated film, can be realized metal glare effect, and product expressive force is strong.
In the another aspect of the application, present applicant proposes a kind of electronic equipment.According to an embodiment of the present application, it refers to Figure 11, the electronic equipment 1100 include: shell group prepared by mentioned-above housing unit 1000 or mentioned-above method Part, mainboard and memory, screen (not shown), housing unit 1000 limit accommodation space, housing unit 1000 Appearance diaphragm (not shown) is arranged towards the inside of electronic equipment, and mainboard and memory are located inside accommodation space, shields Curtain is arranged in the top of housing unit 1000 and is connected with mainboard.The electronic equipment 1100 has mentioned-above shell as a result, Whole feature and advantage possessed by housing unit prepared by component 1000 or mentioned-above method, it is no longer superfluous herein It states.Generally speaking, 1100 appearance of electronic equipment is good, and product expressive force is strong.
Illustratively, electronic equipment can be various types of departments of computer science that are mobile or portable and executing wireless communication Any one of equipment of uniting.Specifically, electronic equipment can be mobile phone or smart phone (for example, being based on iPhone TM, the phone based on Android TM), portable gaming device (such as Nintendo DS TM, PlayStation Portable TM, Gameboy Advance TM, iPhone TM), laptop computer, PDA, portable Internet appliance, sound Happy player and data storage device, other handheld devices and such as wrist-watch, In-Ear Headphones, pendant, headphone It can also be other wearable devices (for example, such as electronic glasses, electronics clothes, electronics bracelet, electronics Deng, electronic equipment Necklace, electronics tatoo, the headset equipment (HMD) of electronic equipment or smartwatch).
Electronic equipment can also be that any one of multiple electronic equipments, multiple electronic equipments include but is not limited to honeycomb Phone, smart phone, other wireless telecom equipments, personal digital assistant, audio player, other media players, music note It records device, video recorder, camera, other medium recorders, radio, Medical Devices, vehicle transport instrument, calculator, may be programmed Remote controler, pager, laptop computer, desktop computer, printer, netbook computer, personal digital assistant (PDA), just Formula multimedia player (PMP), Motion Picture Experts Group (MPEG-1 or MPEG-2) audio layer 3 (MP3) player are taken, it is portable Medical Devices and digital camera and combinations thereof.
In some cases, electronic equipment can execute multiple functions and (for example, playing music, show video, store picture And send and receive call).If desired, electronic equipment can be such as cellular phone, media player, other hands The portable device of holding equipment, watch equipment, pendant equipment, receiver device or other compact portable equipment.
Presently filed embodiment is described in detail above, still, the application be not limited to the above embodiment in tool Body details can carry out a variety of simple variants to the technical solution of the application, these letters in the range of the technology design of the application Monotropic type belongs to the protection scope of the application.It is further to note that as described in the above specific embodiments each A particular technique feature can be combined in any appropriate way in the case of no contradiction.
In the description of this specification, the description of reference term " one embodiment ", " some embodiments " etc. means to combine The embodiment or example particular features, structures, materials, or characteristics described be contained in the application at least one embodiment or In example.In the present specification, the schematic representation of the above terms does not necessarily have to refer to the same embodiment or example.And And particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples with suitable side Formula combines.In addition, without conflicting with each other, those skilled in the art can will be described in this specification different real The feature for applying example or example and different embodiments or examples is combined.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims (19)

1. a kind of housing unit characterized by comprising
Housing base, the housing base have a bottom surface, and the side wall being connected with the bottom surface, the side wall with it is described Bending angle between bottom surface is greater than 70 degree；And
The side of the housing base is arranged in appearance diaphragm, the appearance diaphragm, and the appearance diaphragm includes:
Soft substrate；
And
The side of the soft substrate is arranged in mirror surface silver layer, the mirror surface silver layer, wherein
The elasticity modulus of the soft substrate is 800~2000MPa.
2. housing unit according to claim 1, which is characterized in that the soft substrate includes thermoplastic polyurethane, gathers At least one of vinyl chloride, thermoplastic elastomer (TPE).
3. housing unit according to claim 1, which is characterized in that the soft substrate with a thickness of 80~100 μm.
4. housing unit according to claim 1, which is characterized in that further comprise:
Color layers, the color layers are arranged between the soft substrate and the mirror surface silver layer, and the light of the color layers penetrates Rate is 30%~70%.
5. housing unit according to claim 4, which is characterized in that the color layers with a thickness of 4~12 μm.
6. housing unit according to claim 1, which is characterized in that the mirror surface silver layer with a thickness of 2~8 μm.
7. housing unit according to claim 4, which is characterized in that the appearance diaphragm further comprises:
Texture layer, the texture layer are arranged between the color layers and the mirror surface silver layer；
Optionally, the texture layer with a thickness of 6~12 μm.
8. housing unit according to claim 4, which is characterized in that the appearance diaphragm further comprises:
The side of the mirror surface silver layer far from the color layers is arranged in base layer, the base layer, and the light of the base layer is saturating Rate is crossed no more than 1%；
Optionally, base layer with a thickness of 20~30 μm.
9. housing unit according to claim 1, which is characterized in that the lightness l value of the housing unit is 60~80.
10. a kind of method for preparing housing unit characterized by comprising
Housing base is provided, the housing base has a bottom surface, and the side wall being connected with the bottom surface, the side wall and Bending angle between the bottom surface is greater than 70 degree；And
Appearance diaphragm is formed, and the appearance diaphragm is fitted in the side of the housing base, wherein the formation exterior membrane Piece further comprises:
Soft substrate is provided；
Mirror surface silver layer is formed in the side of the soft substrate, wherein
The elasticity modulus of the soft substrate is 800~2000MPa.
11. according to the method described in claim 10, it is characterized in that, the soft substrate includes thermoplastic polyurethane, polychlorostyrene At least one of ethylene, thermoplastic elastomer (TPE)；
Optionally, the soft substrate with a thickness of 80~100 μm.
12. according to the method described in claim 10, it is characterized in that, before the formation mirror surface silver layer, the method is into one Step includes: to form color layers in the side of the soft substrate, and the formation color layers include:
In the side silk-screen color ink composition of the soft substrate, to form the color layers；
Optionally, the color layers with a thickness of 4~12 μm；
Optionally, the light transmission rate of the color layers is 30%~70%.
13. according to the method for claim 12, which is characterized in that the color ink composition includes color ink, the One curing agent and the first diluent, wherein the content of first curing agent is 5%~30%, first diluent Content is 5%~20%.
14. according to the method for claim 12, which is characterized in that after the formation color layers, the formation mirror-like silver Before layer, the method further includes:
Texture layer is formed far from the side of the soft substrate in the color layers；
Optionally, the texture layer of formation with a thickness of 6~12 μm.
15. according to the method for claim 14, which is characterized in that the formation texture layer includes: to transfer to be formed by UV The UV solidification energy of the texture layer, the UV transfer is 1000~1500mj/cm2。
16. according to the method for claim 14, which is characterized in that the formation mirror surface silver layer includes:
Mirror-like silver ink composition is printed on side of the texture layer far from the color layers by stencil；
Optionally, the mirror surface silver layer of formation with a thickness of 2~8 μm.
17. according to the method for claim 16, which is characterized in that the mirror-like silver ink composition includes mirror-like silver oil Ink, the second curing agent and the second diluent, wherein the content of second curing agent is 1%~10%, second dilution The content of agent is 2%~5%.
18. according to the method for claim 14, which is characterized in that after the formation mirror surface silver layer, further comprise:
Base ink is printed far from the side of the texture layer in the mirror surface silver layer, to form base layer, the base layer Light transmission rate be not more than 1%；
Optionally, formation the base layer with a thickness of 20~30 μm；
Optionally, the formation base layer further comprises: in the side of the mirror surface silver layer far from the texture layer, repeatedly printing Brush the base ink, every time printing after formed the base layer with a thickness of 5~8 μm.
19. a kind of electronic equipment characterized by comprising
Prepared by housing unit according to any one of claims 1 to 9 or the described in any item methods of claim 10~18 Housing unit, the housing unit limit accommodation space, and the appearance diaphragm of the housing unit is towards the electronic equipment Inside setting；
Mainboard and memory, the mainboard and memory are located inside the accommodation space；And
Screen, the screen are arranged in the top of the housing unit and are connected with the mainboard.
CN201910568849.1A 2019-06-27 2019-06-27 Shell assembly, preparation method thereof and electronic equipment Active CN110191604B (en)

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EP20832821.1A EP3955714B1 (en) 2019-06-27 2020-06-17 Housing assembly and preparation method thereof, and electronic device
PCT/CN2020/096476 WO2020259359A1 (en) 2019-06-27 2020-06-17 Housing assembly and preparation method thereof, and electronic device
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CN111500109A (en) * 2020-05-09 2020-08-07 Oppo广东移动通信有限公司 Mirror silver ink, preparation method thereof and electronic equipment shell
CN111968505A (en) * 2020-07-31 2020-11-20 昆山国显光电有限公司 Laminating system and laminating device for curved surface display device
CN111988505A (en) * 2020-08-12 2020-11-24 Oppo（重庆）智能科技有限公司 Camera lens and manufacturing method thereof, camera assembly and electronic equipment

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US20220078935A1 (en) 2022-03-10
EP3955714A4 (en) 2022-06-08
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CN110191604B (en) 2021-03-09
WO2020259359A1 (en) 2020-12-30

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